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249340 (2008 VH74)
Classification: Main-belt Asteroid          SPK-ID: 2249340
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164175092715059 4.7469e-08  
a 3.112428509313485 3.9134e-08 au
q 2.438844483542234 1.3841e-07 au
i 24.11961374656897 6.4071e-06 deg
node 97.86573161297714 1.2754e-05 deg
peri 230.2153639989827 1.9683e-05 deg
M 106.033215549181 1.3624e-05 deg
tp 2458409.772845198484
(2018-Oct-18.27284520)
7.5469e-05 TDB
period 2005.614699385474
5.49
3.7826e-05
1.036e-07
d
yr
n .1794960917021126 3.3853e-09 deg/d
Q 3.786012535084735 4.7603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6294 days (17.23 yr)  
   first obs. used      2002-11-02  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Earth MOID = 1.48647 au 
 Jupiter MOID = 1.6838 au 
 T_jup = 3.050 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO454848  
diameter diameter 6.618 km 1.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249340 (2008 VH74)          Discovered 2008-Nov-07 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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